The probe unit adopts light-emitting display screen of organic matter, it is self-luminous with low power consumption and high brightness, and there is no problem of visual angle The host machine ado ...Keyword : gas detector | infrared gas detector

The Excellent GSM + Camera alarm system bases on the GSM network, integrates the communication technology, can automatic screen a photo with the intruder or burglar, and send it to cell phone. So the ...Keyword : PIR motion detector | Alarm